#include"chen.h"

int Select( int maxfd1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
			struct timeval *timeout )
{
	int n;
	if ( ( n = select( maxfd1, readset, writeset, exceptset, timeout ) ) < 0 )
		err_sys( "select error" );
	return n;
}
